US Plant Patent PP23591
Pacific Crest
Tiarella plant named ‘Pacific Crest’
UNDER PATENT
Still under patent. Protection ends December 26, 2031.
Twenty years from the filing date would end on September 22, 2031. This patent earned 95 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP23591
- Filed
- September 22, 2011
- Granted
- May 7, 2013
- Expires
- December 26, 2031
- Assignee
- TERRA NOVA NURSERIES INC, EGGER JANET N
- Inventor
- EGGER JANET N
Abstract
A new and distinct cultivar of Tiarella plant characterized by glossy leaves, large, palmately-lobed leaves with the terminal lobe the longest, an excellent trailing habit, dark brown markings following the veins filling up to ¾ of the leaf, and excellent vigor.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
I claim: 1. A new and distinct cultivar of Tiarella plant herein illustrated and described.
Read the full patent: US Plant Patent PP23591 in full — the complete specification, every figure, and the file history.